September weather forecast
Leticia, Colombia

September holds onto the changing pattern begun in August. Rainfall increases slightly, reaching 39mm (1.54"), and humidity starts to rise again, reflecting the tropical climate of the city. A constant UV index is observed during this month, signifying continued exposure to the sun. Wind conditions remain stable like the past months, fostering a calm ambiance in Leticia. Furthermore, the gradual increase in cloud cover signals the onset of the approaching monsoons.

Temperature

Leticia's warmest weather arrives in September, when temperatures average a high of 33.7°C (92.7°F) and a low of 22.2°C (72°F).

Heat index

During September, the heat index is evaluated at a blazing hot 49°C (120.2°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 76%.

Rainfall

In Leticia, in September, it is raining for 14.1 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, in Leticia, there are 241.2 rainfall days, and 1245mm (49.02") of precipitation is accumulated.

Daylight

In Leticia, the average length of the day in September is 12h and 5min.
On the first day of September in Leticia, Colombia, sunrise is at 06:38 and sunset at 18:40. On the last day of the month, sunrise is at 06:25 and sunset at 18:33 -04.

Sunshine

The average sunshine in September in Leticia is 8.5h.

UV index

The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 7 in September transforms into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.